.banner {
  margin-top: 78px;
  height: 940px;
  background-image: url(../img/student.png);
  background-size: cover;
  text-align: center;
  display: flow-root;
}
.banner .title {
  font-family: HarmonyOS_Sans_SC_Medium;
  font-size: 56px;
  color: #fff;
  margin-top: 332px;
  letter-spacing: 2px;
}
.banner .desc {
  margin-top: 27px;
  font-family: HarmonyOS_Sans_SC;
  font-size: 25px;
  color: #fff;
  letter-spacing: 2px;
}
.banner .e-desc {
  margin-top: 228px;
  color: #fff;
  font-family: BarlowCondensed-Bold;
  font-size: 30px;
  letter-spacing: 6px;
}
.banner .dy {
  font-family: HarmonyOS_Sans_SC;
  font-size: 8px;
  margin-top: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 39x;
  letter-spacing: 6px;
  color: #ffffff;
}

.active-wrap {
  width: 100%;
  position: relative;
}
.active-wrap .title .pre {
   margin-right: 100px;
}
.active-wrap .title {
  height: 200px;
  padding-bottom: 13px;
  background-image: url(https://duyihome.oss-cn-beijing.aliyuncs.com/images/active/bg1.png);
  background-size: cover;
  background-position-y: bottom;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  cursor: pointer;
  margin-bottom: 44px;
}
.active-wrap .title > div {
  font-family: HarmonyOS_Sans_SC;
  font-size: 21px;
  color: #27282a;
  border-bottom: 2px solid transparent;
}
.active-wrap .title .active {
  color: #a569f4;
  border-bottom-color: #a569f4;
}



.active-wrap #activity {
  margin-bottom: 100px;
  position: relative;
  margin-top: 85px;
}
.active-wrap #activity .actives {
  display: flex;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  width: 1280px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.active-wrap #activity .actives li {
  width: 396px;
  padding-bottom: 20px;
  border-bottom: 1px solid #27282a;
  margin-bottom: 110px;
}
.active-wrap #activity .actives li img {
  width: 396px;
}
.active-wrap #activity .actives li .desc {
  font-family: HarmonyOS_Sans_SC;
  font-size: 20px;
  color: #575757;
  margin-top: 40px;
}
.active-wrap #activity .actives li .t {
  font-family: HarmonyOS_Sans_SC;
  font-size: 23px;
  margin-top: 14px;
  letter-spacing: 1px;
  color: #27282a;
}
.active-wrap #activity .bg {
  background-image: url(https://duyihome.oss-cn-beijing.aliyuncs.com/images/active/bg2-2.png);
  position: absolute;
  bottom: -100px;
  width: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  height: 200px;
  background-position-y: 0px;
}

